Surly Mr. Whirly Crank Arm Sets are sold without spider or spindle for complete customization.
- Chainrings, and chainring mounting bolts sold separately
- Build it to be the crank you want: single, double, triple or trials
- Armsets include non-drive side bearing adjust cap, drive side PTO bolt & cap, and two sets of spider mounting bolts (one short for spider mounting only, and one long for mounting spider with granny ring)
- Outboard-style bearings must be purchased separately; use Shimano Mtn, Race Face X Type or FSA MegaEXO
- Forged and machined 7075 aluminum
- Not intended for use on any type of stationary or spin bike
Manufacturer Surly
Manufacturer Part Number ARMSET 185W/BOLTS,SIL
UPC 708752046061
Model Surly Mr. Whirly
Crankset Style Mountain
BB Crank Interface 24mm Spindle
Crankset Arm Length 185mm
Number of Chainrings
Configurable Spider
Color
Silver
Pedal Spindle
9/16"
Crank Length (mm)
185mm
Crank Intended Use
Mountain
Spindle Interface Type
Surly Mr. Whirly
Drivetrain Speeds
9 , 10 , Single Speed 3/32"
Defined Color
Silver
Chainring BCD
Direct Mount Surly
Weight
605
BB Included
No